Pith Number

pith:NB7ITDE4

pith:2011:NB7ITDE4HHJGCJDWZBCN77TP4Z

not attested not anchored not stored refs pending

Composites of resonant dielectric rods: A test of their behavior as metamaterial refractive elements

F. J. Valdivia-Valero, M. Nieto-Vesperinas

arxiv:1111.4142 v3 · 2011-11-17 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NB7ITDE4HHJGCJDWZBCN77TP4Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:59:31.617123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

687e898c9c39d2612476c844dffe6fe679b62cbf027ced4644c7094788c016ab

Aliases

arxiv: 1111.4142 · arxiv_version: 1111.4142v3 · doi: 10.48550/arxiv.1111.4142 · pith_short_12: NB7ITDE4HHJG · pith_short_16: NB7ITDE4HHJGCJDW · pith_short_8: NB7ITDE4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NB7ITDE4HHJGCJDWZBCN77TP4Z \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 687e898c9c39d2612476c844dffe6fe679b62cbf027ced4644c7094788c016ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6caf0b05e2752f6700f70f39a4c5d988a07186523698190988594f13e55d1ffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-17T16:38:34Z",
    "title_canon_sha256": "995d0999b5fd040e4b342ca1a14a47a6b5387134b587dcf2de8f0fcd96846377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4142",
    "kind": "arxiv",
    "version": 3
  }
}